* {
    margin:0px;
    padding:0px;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    -webkit-touch-callout:none;
    outline: none;
    box-sizing:border-box;
    -webkit-box-sizing:border-box;
}
body {
    font-family: Arial "Microsoft YaHei";
    background: white;
    -webkit-text-size-adjust:none;
    width:640px;
    line-height: 1;
}
html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption, footer, header, hgroup, menu, nav, output, ruby, section, summary, time, mark, audio, video {
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 100%;
    vertical-align: baseline;
    text-decoration: none;
}
input[type="text"], input[type="password"], input[type="number"], input[type="search"],
input[type="email"], input[type="url"], input[type="color"], input[type="Date pickers"],
input[type="range"], select, textarea {
    -webkit-user-select: text;
}
article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section { display: block;}
ol, ul { list-style: none;}
blockquote, q { quotes: none;}
blockquote:before, blockquote:after, q:before, q:after { content: '';content: none;}
table { border-collapse: collapse;border-spacing: 0;}
a:active{text-decoration: none; color: #555;}
a:hover{text-decoration: none; color: #555;}
a:link{text-decoration: none; color: #555;}
.clear{ clear: both; }


.header2048{
    margin: 0 auto;
    display: block;
    width: 500px;
    text-align: center;
}
.header2048 h1{
    font-family: Arial;
    font-size: 60px;
    font-weight: bold;
}
.header2048 #newgamebutton{
    display: block;
    margin: 20px auto;
    width: 200px;
    padding: 10px 10px;
    background: #8f7a66;
    font-family: Arial;
    font-size: 30px;
    color: white;
    border-radius: 10px;
    text-decoration: none;
}
.header2048 p{
    font-family: Arial;
    font-size: 30px;
    margin: 20px auto;
}

.grid-container{
    width: 500px;
    height: 500px;
    padding: 20px;

    margin: 0px auto;
    background-color: #bbada0;

    border-radius: 10px;
    position: relative;
}

.grid-container .grid-cell{
    width: 100px;
    height: 100px;
    border-radius: 6px;
    background-color: #ccc0b3;
    position: absolute;
}

.grid-container .number-cell{
    border-radius: 6px;
    font-family: Arial;
    font-weight: bold;
    font-size: 60px;
    line-height: 100px;
    text-align: center;

    position: absolute;
}










